78 NORTH AMERICAN BIRDS. 
2.30-2.85. Eggs 2.50 1.61. Hab. Europe, together with portions 
of Asia and Africa; Atlantic coast of North America, south, in 
winter, to coast of New Jersey. 
119. P. carbo (Linn.). Cormorant. 
@. Tail-feathers 12. 
ce. Wing more than 11.00. Adult: Greenish black ; back and wings slaty 
brown, the feathers bordered with black. Wuptial plumage: On 
each side of the crown, behind eye, a tuft of lengthened, narrow, 
curved, somewhat loose-webbed feathers; gular pouch bright 
orange (in life). Young in first year (?): Head and neck grayish 
brown, lighter next to gular sac, darker on top and behind; lower 
parts brownish, darker laterally and posteriorly; gular sac yel- 
lowish. Young, before moulting (?): Similar to the preceding, but 
throat, fore-neck, chest, and breast paler, sometimes quite white, 
or much mixed with this color. 
d@, Nuptial crests chiefly or entirely black. 
-é. Length 29.00-34.00, wing 12.00-13.00 (12.50), culmen 2.00-2.45 
, (2.25). Eggs 252X159. Hab. Northeastern North 
America, south, in winter, to Gulf coast, breeding from 
northern United States northward........ 120. P. dilophus 
(Sw. & Ricw.). Double-crested Cormorant. 
é. Length 21.25-30.00, wing 11.20-12.50 (11.75), culmen 2.00-2.40 
(2.17). Eggs 2.36 X 148. Hab. South Atlantic and Gulf 
States, and lower Mississippi Valley, north to southern 
Tlinois. 
118a. P. dilophus floridanus (Aup.). Florida Cormorant. 
@. Nuptial crests chiefly or entirely white. 
é. Length about 36.00, wing 12.50-14.00 (13.70), culmen 2.25-2.55 
(2.40). Hab. Northwest coast of North America, from 
Alaska south (in winter) to California... 118). P. dilophus 
cincinatus (BRanpT). White-crested Cormorant. 
é. Length about 25.00-31.00, wing 11.75-13.00 (12.23), culmen 
1.90-2.35 (2.15). Eggs 2.40% 1.47. Hab. Coast of Cali- 
fornia, south to western Mexico (Socorro Island).. 118¢. P. 
dilophus albociliatus Ripaw. Farallone Cormorant. 
c. Wing less than 10.50. 
Adult: Brownish black, with a white line bordering the base of 
the gular sac; mantle dull brownish slate, the feathers bordered 
with black. Nuptial plumage: Head, neck, and ventral region 
ornamented with scattered, small, short, white filamentous 
feathers; pouch brownish in life. Young: Head, neck, and 
lower parts grayish brown, darker on top of head, hind-neck, 
sides, and under tail-coverts, much paler (sometimes whitish) 
on upper part of throat (adjacent to gular sac). Young, before 
moulting (?): Similar to the preceding, but throat, fore-neck, 
